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  • Nursery & Garden Center
  • Longmont, Colorado

Helene Rose of Sharon (Althea)

Hibiscus syriacus 'Helene'

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Product Description

White, heavily ruffled flowers with reddish purple eyes complement handsome, leathery dark green leaves. Dense, upright growth is more compact than others. Blooms nearly continuously over a long season, and rarely sets seeds. Tolerates air pollution. Makes a wonderful informal hedge or screen, and is easily trained into a small tree.
Hardy to -25°F
Maximum Elevation: 6,000 ft.

Photo Courtesy of Monrovia
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  • Helene Rose of Sharon© photo ArborTanics Inc
  • Helene Rose of Sharon© photo ArborTanics Inc
  • Photo Courtesy of Monrovia
Description White, heavily ruffled flowers with reddish purple eyes complement handsome, leathery dark green leaves. Dense, upright growth is more compact than others. Blooms nearly continuously over a long season, and rarely sets seeds. Tolerates air pollution. Makes a wonderful informal hedge or screen, and is easily trained into a small tree. Hardy to -25°F Maximum Elevation: 6,000 ft.
Mature Size (generic) SHRUB (6-10')
Foliage Color Deep Green
Fall Color No
Features Showy Flowers, Attracts Songbirds, Attracts Butterflies
Flowering Season Summer
Growth Rate Moderate
Light Needs Partial Sun, Full Sun
USDA Hardiness Zone 5, 6, 7
Water Needs Moderate
Mature Height 6-10 ft.
Mature Width 6-8 ft.
Name Helene Rose of Sharon (Althea)
Flower Color Group White

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